Table 3.

Results obtained from histologic scoring and p53 immunohistochemical staining.

Patient	PMN cell infiltration	Hyperemia	Fibrin deposition	Mononuclear cell infiltration	Synovial cell proliferation	Fibrosis	p53*
RA
1	0	1	0	0	0	0	0
2	1	0	1	1	0	1	2+
3	0	3	1	0	0	0	0
4	2	1	2	3	0	2	2+
5	0	0	1	1	0	0	0
6	2	1	0	2	1	2	0
7	1	2	0	2	0	2	0
8	0	1	1	1	0	3	0
9	0	1	1	1	0	1	1 +
mean(SEM)	0.7(0.3)	1.1(0.3)	0.8(0.2)	1.2(0.3)	0.1(0.1)	1.2(0.4)	0.6(0.3)
OA
1	0	1	0	0	0	0	0
2	2	1	3	1	0	0	1+
3	0	1	0	0	0	0	0
4	0	0	0	0	0	0	0
5	2	1	2	1	0	0	1+
mean(SEM)	0.8(0.5)	0.8(0.2)	1.0(0.6)	0.4(0.2)	0.0(0.0)	0.0(0.0)	0.4(0.2)
p-value	0.79	0.71	1.00	0.32	1.00	0.18	0.41

RA: Rheumatoid arthritis, OA: Osteoarthritis, PMN: Polymorphonuclear

^*0, no staining; 1+, rare positive cells or trace staining; 2+, scattered clusters of positive cells; 3+, moderated staining in a specific region; 4+, extensive staining throught a region